Series 4

Johann Reichhart was a German state executioner who killed around 3,000 people during WWII. Jamie Theakston uncovers more about this ruthless Nazi.

The Vatican Secret Archives is a treasure trove of history that is shrouded in secrecy. Jamie Theakston heads to Rome in a bid to gain access.

Jamie Theakston exposes a secret unit who murdered Bulgarian dissidents. One victim, Georgi Markov, was famously killed with a ricin-tipped umbrella.

Hear about the Templars in a very different light. Jamie Theakston disputes the orthodox beliefs about the Catholic order that angered much of Europe.

Mary Magdalene is a key figure in Christianity, having witnessed Jesus' death and resurrection. But was she really a prostitute? Jamie Theakston reveals all.

Mystery still surrounds how fascist dictator Benito Mussolini met his end, before being hanged in Milan's Piazzale Loreto. Jamie Theakston seeks out answers.